Painless Trigonometry ( December 31 – January 6, 2014)

 

Circling the triangle

Triangle ABC is inside circle O. Angle BAC = 60°. \overline{AB} = 4 cm , \overline{AC} = 3 cm. What is the area of circle O in terms of π?

 

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Correct answer were submitted by:

1.  Arsh Singh. yourmathguru.com

2. Kennard Ong Sychingping. De La Salle University

3. Kenny Wong, Jurong Junior College, Singapore

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